216 TURBO. 1VRBAN. 



It is known from the T. interstinctus, by the want of tf*e 

 small tooth on the pillar, and the punctures or transverse 

 lines between the ribs. 



Found in the Boysian cabinet. 



F. Tapering, not cross-barred nor reticulate, 57 to 66. 



57- Turbo duplicates. Double-ribbed Turban. 



Lister, pi. 591. fig. 5& Pennant, pi. 84. f. 3 Donovan, 

 pi. 1 12 Da Costa, pi. t$. f. 3. 



Shell taper, whitish or greyish horn-color, with fourteen 

 or fifteen spires, each furnished in the middle with two 

 rather remote prominent acute spiral ridges, and finely 

 striate longitudinally in the interstices : aperture some- 

 what oval : length two inches and a half; breadth not half 

 an inch. 



At Scarborough, by Lister ; and is said to have been 

 lately discovered on the western coasts, by Dr. Leach : very 

 rare. 



58. Turbo exoletus. Marbled Turban. 

 Lister, pi. 592. f. 60 Da Costa, pi. 7. f. 8. 

 Turbo cinctus. Donovan, pi. 22. f. 1. 



Shell taper, pointed, white or tinged with purple, and 

 marbled with chesnut-brown, generally in longitudinal 

 waved streaks : spires twelve or fourteen, rather raised 

 and separated by a deep line, obscurely striate circularly, 

 with two raised obtuse spiral ridges in the middle of each, 

 and placed near together : aperture orbicular ; length two 

 inches arid a half ; breadth five-eighths of an inch. 



Kent, Lancashire, and Lincolnshire : very rare. 



59. Turbo Terebra. Screw Turban. Fig. 83. 



Lister, pi. 591. f. 57 Pennant, pi. 84. f. 4 Da Costa, 

 pi. 7. f. 5, 6 Donovan, pi. 22. f. 2 Dorset Cat. pi. 15. 

 f. 5, 6. 



. Shell long, tapering to a fine point, light brown, rufous, 

 cream-color, or of a leaden hue : spires from twelve to 

 sixteen, mostly well rounded and deeply defined by the se- 

 parating line, but sometimes rather flat, faintly wrinkled, 

 and marked with numerous fine circular striae-, some of 



which 



